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CIRCUIT ARRANGEMENT FOR A PHOTOVOLTAIC INVERTER FOR BREAK RELIEF USING SHORT-CIRCUIT SWITCHES, AND USES OF SAID CIRCUIT ARRANGEMENT
CIRCUIT ARRANGEMENT FOR A PHOTOVOLTAIC INVERTER FOR BREAK RELIEF USING SHORT-CIRCUIT SWITCHES, AND USES OF SAID CIRCUIT ARRANGEMENT
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机译:用于使用短电路开关缓解故障的光伏逆变器的电路布置以及所述电路布置的用途
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摘要
A circuit arrangement for a photovoltaic inverter includes two bus lines, input terminals for connecting at least one photovoltaic generator to the bus lines, respectively, and at least one DC/AC converter connected to the bus lines. The circuit arrangement further includes a disconnector between each DC/AC converter and the bus lines, respectively, and at least one short-circuit path for short-circuiting a voltage between the bus lines, wherein a short-circuit switch is arranged in the short-circuit path, wherein the at least one short-circuit path runs between the bus lines upstream of all disconnectors between the input terminals and the disconnectors, and wherein the short-circuit switch in the at least one short-circuit path between the bus lines is connected in series with a fuse. Still further, the circuit arrangement includes at least one further short-circuit path for short-circuiting the voltage between the bus lines, wherein a short-circuit switch likewise is arranged in the at least one further short-circuit path.
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